netdev - [net 1/2] i40e: fix stats offsets

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Message-Id: <1445562953-47496-2-git-send-email-jeffrey.t.kirsher@intel.com>
Date:	Thu, 22 Oct 2015 18:15:52 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
	jogreene@...hat.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net 1/2] i40e: fix stats offsets

From: Jesse Brandeburg <jesse.brandeburg@...el.com>

The code was setting up stats that were not being initialized.
This caused several counters to be displayed incorrectly, due
to indexing beyond the array of strings when printing stats.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index e972b5e..13a5d4c 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -1344,6 +1344,12 @@ static void i40e_get_ethtool_stats(struct net_device *netdev,
 			data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
 				     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 		}
+		for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
+			data[i++] = veb->tc_stats.tc_tx_packets[j];
+			data[i++] = veb->tc_stats.tc_tx_bytes[j];
+			data[i++] = veb->tc_stats.tc_rx_packets[j];
+			data[i++] = veb->tc_stats.tc_rx_bytes[j];
+		}
 	}
 	for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
 		p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
-- 
2.4.3

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